8 #include <klibc/extern.h>
9 #include <string.h> /* For memset() */
10 #include <limits.h> /* For LONG_BIT */
11 #include <sys/types.h>
12 #include <asm/signal.h>
14 /* Some architectures don't define these */
16 # define SA_RESETHAND SA_ONESHOT
19 # define SA_NODEFER SA_NOMASK
25 typedef int sig_atomic_t;
27 __extern const char * const sys_siglist[];
29 /* This assumes sigset_t is either an unsigned long or an array of such,
30 and that _NSIG_BPW in the kernel is always LONG_BIT */
32 static __inline__ int sigemptyset(sigset_t *__set)
34 memset(__set, 0, sizeof *__set);
37 static __inline__ int sigfillset(sigset_t *__set)
39 memset(__set, ~0, sizeof *__set);
42 static __inline__ int sigaddset(sigset_t *__set, int __signum)
44 unsigned long *__lset = (unsigned long *)__set;
45 __lset[__signum/LONG_BIT] |= 1UL << (__signum%LONG_BIT);
48 static __inline__ int sigdelset(sigset_t *__set, int __signum)
50 unsigned long *__lset = (unsigned long *)__set;
51 __lset[__signum/LONG_BIT] &= ~(1UL << (__signum%LONG_BIT));
54 static __inline__ int sigismember(sigset_t *__set, int __signum)
56 unsigned long *__lset = (unsigned long *)__set;
57 return (int)((__lset[__signum/LONG_BIT] >> (__signum%LONG_BIT)) & 1);
60 __extern __sighandler_t __signal(int, __sighandler_t, int);
61 __extern __sighandler_t signal(int, __sighandler_t);
62 __extern __sighandler_t bsd_signal(int, __sighandler_t);
63 __extern int sigaction(int, const struct sigaction *, struct sigaction *);
64 __extern int sigprocmask(int, const sigset_t *, sigset_t *);
65 __extern int sigpending(sigset_t *);
66 __extern int sigsuspend(const sigset_t *);
67 __extern int rt_sigaction(int, const struct sigaction *, struct sigaction *, size_t);
68 __extern int rt_sigprocmask(int, const sigset_t *, sigset_t *, size_t);
69 __extern int rt_sigpending(sigset_t *, size_t);
70 __extern int rt_sigsuspend(const sigset_t *, size_t);
71 __extern int raise(int);
72 __extern int kill(pid_t, int);
74 #endif /* _SIGNAL_H */